Submission #971820

#	Time	Username	Problem	Language	Result	Execution time	Memory
971820		opPO	Rectangles (IOI19_rect)	C++14	0 / 100	5 ms	556 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>

#define sz(x) (int)x.size()

using namespace std;

long long count_rectangles(vector<vector<int>> a) {
    int n = sz(a);
    int m = sz(a[0]);

    if (n <= 2 || m <= 2) {
        return 0;
    }
    if (n == 3) {
        long long res = 0;
        for (int l = 0; l < m; l++) {
            int mx = -1e9;
            for (int r = l + 1; r < m; r++) {
                if (r - l > 1) {
                    if (mx < a[1][l] && mx < a[1][r]) {
                        res++;
                    }
                }
                mx = max(mx, a[1][r]);
            }
        }

        return res;
    }

    return 0;
}

/*
g++ -std=gnu++14 -O2 -Wall -pipe -static -o "rect" "grader.cpp" "rect.cpp"
*/

• Subtask 1: 0 / 8
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 22
• Subtask 5: 0 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28